Steam Boilers, Engines, Nozzles and Turbines The diameter of tubes for natural circulation boiler as compared to controlled circulation boilers is Same More Could be more or less depending on other factors Less Same More Could be more or less depending on other factors Less ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The maximum efficiency of a reaction turbine is 2 sin²α/(1 + sin²α) (1 + sin²α)/2 sin²α (1 + cos²α)/2 cos²α 2 cos²α/(1 + cos²α) 2 sin²α/(1 + sin²α) (1 + sin²α)/2 sin²α (1 + cos²α)/2 cos²α 2 cos²α/(1 + cos²α) ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines In locomotive boiler, maximum steam pressure is limited to 10 kg/cm² 5 kg/cm² 1 kg/cm² 18 kg/cm² 10 kg/cm² 5 kg/cm² 1 kg/cm² 18 kg/cm² ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines For a Parson's reaction turbine, if α₁ and α₂ are fixed blade angles at inlet and exit respectively and β₁ and β₂ are the moving blade angles at entrance and exit respectively, then α₁ = β₂ and β₁ = α₂ α₁ < β₁ and α₂ > β₂ α₁ = α₂ and β₁ = β₂ α₁ = β₁ and α₂= β₂ α₁ = β₂ and β₁ = α₂ α₁ < β₁ and α₂ > β₂ α₁ = α₂ and β₁ = β₂ α₁ = β₁ and α₂= β₂ ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The Locomotive boiler has 157 fire tubes and 24 superheated tubes 147 fire tubes and 34 superheated tubes 137 fire tubes and 44 superheated tubes 167 fire tubes and 14 superheated tubes 157 fire tubes and 24 superheated tubes 147 fire tubes and 34 superheated tubes 137 fire tubes and 44 superheated tubes 167 fire tubes and 14 superheated tubes ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The length of Cornish boiler varies from 3 to 5 m 2 to 4.5 m 7 to 9 m 5 to 7.5 m 3 to 5 m 2 to 4.5 m 7 to 9 m 5 to 7.5 m ANSWER DOWNLOAD EXAMIANS APP